2[not before noun]ready or made available when neededFinancial support was not forthcoming.

3[not before noun]willing to give information about somethingShe's never very forthcoming about her plans.oppositeunforthcoming

Extra examplesHelp was immediately forthcoming.She wasn’t very forthcoming about where she’d been.Once or twice a year the publishers put out a list of forthcoming books.She’s never very forthcoming about her plans.The band have added an extra date to their forthcoming UK tour.Three main parties will contest the forthcoming elections.